blower motor for heater when works only works in next to highest setting on 2002 Chevrolet Malibu

when the blower works it dont work all the time either what is the easiest way to check whats wrong with it

by in Sioux Falls, SD on March 19, 2013
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1 answer 3 comments
ANSWER by , March 19, 2013
poss blower motor resistor is bad
COMMENT by , March 19, 2013
ok easiest way to check that ?
COMMENT by , March 19, 2013
ck ohms on all cycles, there should be a diff on each level
COMMENT by , March 19, 2013
ok thanks i will try that